Overview

overview

10

Static

static

10

2026-08-02...at.exe

windows10-2004-x64

9

2026-08-02...at.exe

windows11-ltsc_2024-x64

9

Analysis

  • max time kernel
    150s
  • max time network
    129s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/08/2026, 16:04

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General

  • Target
    2026-08-02_fbf668a9978085d48f1aa0e61b702267_cryptbot_elex_luca-stealer_mespinoza_njrat.exe
  • Size 2.9MB
  • Sample260802-th1a8acd44
  • SHA256 babd4233806184f3beda55f253e83a8e860f09e014892b206879ecfc94f0ad1f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
credential_accessdiscoverypersistencespywarestealer

Malware Config

Signatures

  • Detects executables packed with VMProtect. 23 IoCs
  • Executes dropped EXE 7 IoCs
  • Modifies system executable filetype association 2 TTPs 8 IoCs
    persistence
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

    credential_accessstealer
  • Drops Chrome extension 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 58 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Modifies registry class 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: LoadsDriver 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-02_fbf668a9978085d48f1aa0e61b702267_cryptbot_elex_luca-stealer_mespinoza_njrat.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-02_fbf668a9978085d48f1aa0e61b702267_cryptbot_elex_luca-stealer_mespinoza_njrat.exe"
    1⤵
    • Modifies system executable filetype association
    • Drops Chrome extension
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:4800
  • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
    "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
    1⤵
    • Executes dropped EXE
    PID:2352
  • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
    1⤵
    • Executes dropped EXE
    PID:1104
  • C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe
    "C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe"
    1⤵
    • Executes dropped EXE
    PID:2096
  • \??\c:\Program Files\Common Files\Microsoft Shared\Source Engine\OSE.EXE
    "c:\Program Files\Common Files\Microsoft Shared\Source Engine\OSE.EXE"
    1⤵
    • Executes dropped EXE
    PID:1080
  • C:\Windows\System32\OpenSSH\ssh-agent.exe
    C:\Windows\System32\OpenSSH\ssh-agent.exe
    1⤵
    • Executes dropped EXE
    PID:2672
  • C:\Windows\system32\AgentService.exe
    C:\Windows\system32\AgentService.exe
    1⤵
    • Executes dropped EXE
    PID:3828
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Executes dropped EXE
    PID:5316

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        elevation_service.exe
        • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
        • Size 2.7MB
        • SHA256 96bac32197df60a2942ed93f5546ea1bbc77f14ecc4b4bc1734a124fbd4b6205
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        maintenanceservice.exe
        • Path C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe
        • Size 800KB
        • SHA256 57408f01e437c03b6336d6141be0840d7b84447a573b733cea2051f445242ace
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        OSE.EXE
        • Path C:\Program Files\Common Files\microsoft shared\Source Engine\OSE.EXE
        • Size 780KB
        • SHA256 aad41ae334d0c713ffc1966ac8418837501d886510845451b5819bd6cb48c17c
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        setup.vir
        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.vir
        • Size 6.6MB
        • SHA256 edc159406ccc4cdcac73fd188b0fe486f295481c143e5a50bb3c0030247d9e20
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        elevation_service.exe
        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
        • Size 2.8MB
        • SHA256 49fda0e148078f69e3af3563e27c2c65de4c30287ab82a8d5cc528861827c3c9
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        AgentService.exe
        • Path C:\Windows\System32\AgentService.exe
        • Size 1.4MB
        • SHA256 93b11e582bb05087f2e2c030afff4b1af18cfce4870e04b3f560aa084af48e7f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ssh-agent.exe
        • Path C:\Windows\System32\OpenSSH\ssh-agent.exe
        • Size 1.1MB
        • SHA256 3bc9d0d5cf2d91591558d99364d7a00423da769dfbd70377dea6b4635cd8b9aa
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        wbengine.exe
        • Path C:\Windows\System32\wbengine.exe
        • Size 2.0MB
        • SHA256 087ebfb6e1ca9bfe498904cee128508a94501a6df095171a907eeabb82c35b5c
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1080-38-0x0000000140000000-0x0000000140213000-memory.dmp
        Download

        memory/1080-39-0x0000000140000000-0x0000000140213000-memory.dmp
        Download

        memory/1104-17-0x0000000140000000-0x0000000140418000-memory.dmp
        Download

        memory/1104-18-0x0000000140000000-0x0000000140418000-memory.dmp
        Download

        memory/2096-24-0x0000000140000000-0x0000000140219000-memory.dmp
        Download

        memory/2096-23-0x0000000140000000-0x0000000140219000-memory.dmp
        Download

        memory/2352-11-0x0000000140000000-0x000000014042D000-memory.dmp
        Download

        memory/2352-12-0x0000000000B60000-0x0000000000DA1000-memory.dmp
        Download

        memory/2672-50-0x0000000140000000-0x0000000140282000-memory.dmp
        Download

        memory/2672-51-0x0000000000D70000-0x0000000000F42000-memory.dmp
        Download

        memory/2672-52-0x0000000140000000-0x0000000140282000-memory.dmp
        Download

        memory/3828-57-0x0000000140000000-0x00000001402AB000-memory.dmp
        Download

        memory/3828-58-0x0000000140000000-0x00000001402AB000-memory.dmp
        Download

        memory/4800-0-0x0000000000400000-0x00000000008B3000-memory.dmp
        Download

        memory/4800-10-0x0000000000400000-0x00000000008B3000-memory.dmp
        Download

        memory/5316-63-0x0000000140000000-0x000000014034D000-memory.dmp
        Download

        memory/5316-64-0x0000000140000000-0x000000014034D000-memory.dmp
        Download